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[" 5."lf A=,[[1,2,-1],[-1,1,2],[2,-1,1]]...

[" 5."lf A=,[[1,2,-1],[-1,1,2],[2,-1,1]]" then det "{" Adj(AdjA) "}" is "],[[" (A) "14," (B) "14^(2)," (C) "14^(3)," (D) "14^(4)]]

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